Home / 1,555,616,087.05-2,334,190,222.92-726,449,222.12

Finding the Fourth Proportional to 1,555,616,087.05, 2,334,190,222.92 and 726,449,222.12

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Solution

The fourth proportional to 1,555,616,087.05, 2,334,190,222.92 and 726,449,222.12 is: 1,090,031,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,616,087.05 : 2,334,190,222.92 = 726,449,222.12 : x
  2. Step 2: Convert to fraction form
    1,555,616,087.05/2,334,190,222.92 = 726,449,222.12/x
  3. Step 3: Cross multiply
    1,555,616,087.05x = 2,334,190,222.92 × 726,449,222.12
  4. Step 4: Simplify right side
    1,555,616,087.05x = 1,695,670,671,726,583,296
  5. Step 5: Solve for x
    x = 1,695,670,671,726,583,296/1,555,616,087.05
  6. Step 6: Final answer
    x = 1,090,031,586.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.